April 14 (Reuters) - A U.S. soldier was killed by an improvised explosive device in northwest Baghdad on Saturday morning, the U.S. military said.

A second U.S. soldier was killed in eastern Baghdad on Saturday.

Following are the latest figures for soldiers and civilians killed since the U.S.-led invasion in March, 2003:

U.S.-LED COALITION FORCES:

United States 4,027

Britain 176

Other nations 134

IRAQIS:

Military Between 4,900 and 6,375#

Civilians Between 82,771 and 90,304*

# = Think-tank estimates for military under Saddam Hussein killed during the 2003 war. No reliable official figures have been issued since new security forces were set up in late 2003.

* = From www.iraqbodycount.net (IBC), run by academics and peace activists, based on reports from at least two media sources. The IBC says on its Web site the figure underestimates the true number of casualties.

The U.S.-led military coalition toll includes casualties from Iraq and the surrounding area where troops are stationed. (Writing by David Cutler, London Editorial Reference Unit)

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